Abstract
The document discusses the impact that has the American interest rate (Prime Rate) in the training gross capital of Colombian recently. Is develops Solow- Swan expanded that were presented, based on the model Initially, by Mankiw, Romer and Weil in 1992 and in the same year arises a version Mankiw, Romer and Sala-i - Martin where joining open economies. The This sustained in Adam Smith who gives important theoretical support to the SECURITY in Nations that use the capital; David Ricardo presents the the accumulation of Capital; ways Karl Marx interprets the stimulus to the Investment from the rate of profit and the rate of interest; Joseph A. Schumpeter sees in the Capital as a convertible immediate asset in money and Keynesians as Harrods disregards the intensity of the use of capital in response to the low rate of interest, as long as Keynes if the considered. The exercise leads to the calculation defines the coefficient of participation of the capital and the capital-to-date depreciation for display the relationship between the gross capital formation in Colombia and prime rate, and its impact on the economy.